Dev Builds » 20220503-1558

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:54:46 581993 4000 1050 1023 1927 +2.35 ± 5.07 0 425 1128 442 5 +3.82 ± 10.06
ncm-dbt-02 06:54:08 586224 4000 1061 997 1942 +5.56 ± 5.13 6 399 1126 463 6 +11.12 ± 10.07
ncm-dbt-03 06:53:31 584690 4000 1022 989 1989 +2.87 ± 5.1 0 428 1115 453 4 +5.04 ± 10.13
ncm-dbt-04 06:55:43 568812 4000 1017 997 1986 +1.74 ± 5.05 0 423 1141 429 7 +2.26 ± 9.98
ncm-dbt-05 06:55:31 580912 4000 1018 1002 1980 +1.39 ± 5.02 2 414 1157 420 7 +1.91 ± 9.89
20000 5168 5008 9824 +2.78 ± 2.27 8 2089 5667 2207 29 +4.83 ± 4.48

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
416112 ncm-dbt-04 568673 500 135 136 229 -0.69 ± 13.96 0 53 145 52 0 -1.39 ± 27.97
416111 ncm-dbt-05 585211 500 127 127 246 -0.0 ± 13.76 0 51 148 51 0 -0.0 ± 27.57
416110 ncm-dbt-03 583866 500 134 128 238 +4.17 ± 14.41 0 52 141 56 1 +6.95 ± 28.5
416109 ncm-dbt-01 581652 500 116 132 252 -11.12 ± 14.11 0 62 142 46 0 -22.27 ± 28.35
416108 ncm-dbt-02 584537 500 134 121 245 +9.04 ± 15.33 1 53 129 66 1 +18.08 ± 30.03
416107 ncm-dbt-04 568037 500 122 122 256 -0.0 ± 13.49 0 49 152 49 0 -0.0 ± 27.02
416106 ncm-dbt-05 579413 500 130 114 256 +11.12 ± 14.75 2 44 141 62 1 +23.66 ± 28.48
416105 ncm-dbt-03 584201 500 127 128 245 -0.69 ± 14.23 0 55 141 54 0 -1.39 ± 28.5
416104 ncm-dbt-02 587962 500 138 121 241 +11.82 ± 15.06 1 48 136 63 2 +22.27 ± 29.14
416103 ncm-dbt-01 583447 500 127 133 240 -4.17 ± 13.89 0 55 146 49 0 -8.34 ± 27.83
416102 ncm-dbt-04 569270 500 132 122 246 +6.95 ± 14.4 0 50 141 58 1 +12.51 ± 28.5
416101 ncm-dbt-05 579744 500 130 138 232 -5.56 ± 15.04 0 62 137 48 3 -15.3 ± 29.02
416100 ncm-dbt-03 585885 500 133 112 255 +14.6 ± 14.78 0 49 131 70 0 +29.25 ± 29.78
416099 ncm-dbt-02 589710 500 136 136 228 -0.0 ± 14.29 1 51 146 51 1 -0.0 ± 27.84
416098 ncm-dbt-01 582903 500 153 133 214 +13.9 ± 15.1 0 50 132 66 2 +25.06 ± 29.65
416097 ncm-dbt-04 569230 500 125 131 244 -4.17 ± 14.67 0 60 137 52 1 -9.73 ± 29.02
416096 ncm-dbt-05 574865 500 114 127 259 -9.04 ± 13.52 0 55 154 40 1 -19.48 ± 26.72
416095 ncm-dbt-03 584076 500 119 120 261 -0.69 ± 13.96 0 53 145 52 0 -1.39 ± 27.97
416094 ncm-dbt-02 584790 500 117 128 255 -7.64 ± 13.67 1 53 152 44 0 -13.9 ± 27.01
416093 ncm-dbt-01 579951 500 134 127 239 +4.86 ± 13.82 0 48 147 55 0 +9.73 ± 27.7
416092 ncm-dbt-04 567997 500 115 128 257 -9.04 ± 13.79 0 58 147 45 0 -18.08 ± 27.69
416091 ncm-dbt-05 582861 500 135 130 235 +3.47 ± 14.35 0 52 142 55 1 +5.56 ± 28.37
416090 ncm-dbt-03 584034 500 141 127 232 +9.73 ± 15.02 0 53 131 65 1 +18.08 ± 29.78
416089 ncm-dbt-01 580075 500 135 127 238 +5.56 ± 14.28 0 50 143 56 1 +9.73 ± 28.23
416088 ncm-dbt-02 587877 500 128 128 244 -0.0 ± 14.42 0 56 138 56 0 -0.0 ± 28.89
416087 ncm-dbt-05 579331 500 129 124 247 +3.47 ± 14.48 0 53 140 56 1 +5.56 ± 28.63
416086 ncm-dbt-03 585253 500 124 124 252 -0.0 ± 14.03 0 53 144 53 0 -0.0 ± 28.1
416085 ncm-dbt-04 568355 500 123 120 257 +2.08 ± 14.74 0 55 139 54 2 +1.39 ± 28.76
416084 ncm-dbt-01 582987 500 141 134 225 +4.86 ± 13.95 0 49 145 56 0 +9.73 ± 27.97
416083 ncm-dbt-02 584327 500 142 124 234 +12.51 ± 14.23 0 45 143 61 1 +23.66 ± 28.22
416082 ncm-dbt-03 584874 500 121 133 246 -8.34 ± 14.52 0 63 136 51 0 -16.69 ± 29.14
416081 ncm-dbt-05 580033 500 126 110 264 +11.12 ± 13.98 0 45 144 61 0 +22.27 ± 28.08
416080 ncm-dbt-04 569390 500 139 111 250 +19.48 ± 14.13 0 38 149 60 3 +34.86 ± 27.36
416079 ncm-dbt-01 582527 500 114 122 264 -5.56 ± 15.16 0 64 132 52 2 -13.9 ± 29.66
416078 ncm-dbt-02 584201 500 132 127 241 +3.47 ± 14.86 2 50 140 57 1 +8.34 ± 28.63
416077 ncm-dbt-03 585337 500 123 117 260 +4.17 ± 14.28 0 50 146 52 2 +5.56 ± 27.84
416076 ncm-dbt-02 586393 500 134 112 254 +15.3 ± 14.06 0 43 142 65 0 +30.65 ± 28.34
416075 ncm-dbt-04 569549 500 126 127 247 -0.69 ± 14.87 0 60 131 59 0 -1.39 ± 29.79
416074 ncm-dbt-05 585843 500 127 132 241 -3.47 ± 13.55 0 52 151 47 0 -6.95 ± 27.15
416073 ncm-dbt-01 582402 500 130 115 255 +10.43 ± 14.18 0 47 141 62 0 +20.87 ± 28.49

Commit

Commit ID a32d2086bc227f1d76bd04808e10c8e7bd230fe9
Author candirufish
Date 2022-05-03 15:58:01 UTC
Use fail high count for LMR Increase reduction if next ply has a lot of fail high else reset count to 0 Passed STC: https://tests.stockfishchess.org/tests/view/626ea8299116b52aa83b71f6 LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 144288 W: 38377 L: 37902 D: 68009 Ptnml(0-2): 565, 16298, 38054, 16551, 676 Passed LTC: https://tests.stockfishchess.org/tests/view/626fa0fb79f761bab2e382f0 LLR: 2.98 (-2.94,2.94) <0.50,3.00> Total: 74872 W: 20050 L: 19686 D: 35136 Ptnml(0-2): 51, 7541, 21893, 7895, 56 closes https://github.com/official-stockfish/Stockfish/pull/4006 bench: 7084802
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